Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham hai son snippets" » "ham khai son snippets", "pham hai son snippets", "nam hai son snippets", "ham thai son snippets", "ham ha son snippets", "ham dai son snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ham hai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham hai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham hai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham hai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.